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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// XFAIL: apple-clang-6.0
// The Apple-6 compiler gets is_constructible<void ()> wrong.
// template <class T, class... Args>
// struct is_constructible;
#include <type_traits>
#include "test_macros.h"
struct A
{
explicit A(int);
A(int, double);
#if TEST_STD_VER >= 11
private:
#endif
A(char);
};
class Abstract
{
virtual void foo() = 0;
};
class AbstractDestructor
{
virtual ~AbstractDestructor() = 0;
};
template <class T>
void test_is_constructible()
{
static_assert( (std::is_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert( std::is_constructible_v<T>, "");
#endif
}
template <class T, class A0>
void test_is_constructible()
{
static_assert(( std::is_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_constructible_v<T, A0>), "");
#endif
}
template <class T, class A0, class A1>
void test_is_constructible()
{
static_assert(( std::is_constructible<T, A0, A1>::value), "");
#if TEST_STD_VER > 14
static_assert(( std::is_constructible_v<T, A0, A1>), "");
#endif
}
template <class T>
void test_is_not_constructible()
{
static_assert((!std::is_constructible<T>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_constructible_v<T>), "");
#endif
}
template <class T, class A0>
void test_is_not_constructible()
{
static_assert((!std::is_constructible<T, A0>::value), "");
#if TEST_STD_VER > 14
static_assert((!std::is_constructible_v<T, A0>), "");
#endif
}
int main()
{
test_is_constructible<int> ();
test_is_constructible<int, const int> ();
test_is_constructible<A, int> ();
test_is_constructible<A, int, double> ();
test_is_constructible<int&, int&> ();
test_is_not_constructible<A> ();
#if TEST_STD_VER >= 11
test_is_not_constructible<A, char> ();
#else
test_is_constructible<A, char> ();
#endif
test_is_not_constructible<A, void> ();
test_is_not_constructible<void> ();
test_is_not_constructible<int&> ();
test_is_not_constructible<Abstract> ();
test_is_not_constructible<AbstractDestructor> ();
// LWG 2560 -- postpone this test until bots updated
// test_is_not_constructible<void()> ();
// #if TEST_STD_VERS > 11
// test_is_not_constructible<void() const> ();
// test_is_not_constructible<void() volatile> ();
// test_is_not_constructible<void() &> ();
// test_is_not_constructible<void() &&> ();
// #endif
}
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